Alright, let's work through 3512 times 6615 step by step
3512 × 6615 = 6615 × (3512)
+ 6615 × 2 producing 13230
+ 6615 × 10 giving us 66150
+ 6615 × 500 yielding 3307500
+ 6615 × 3000 that equals 19845000

= 23231880
